19696730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1249}}^1$

素因数の和:1358

約数の個数: 32

約数和(自身を含む): 37800000

約数和(自身を除く): 18103270

約数列:

[1, 2, 5, 10, 19, 38, 83, 95, 166, 190, 415, 830, 1249, 1577, 2498, 3154, 6245, 7885, 12490, 15770, 23731, 47462, 103667, 118655, 207334, 237310, 518335, 1036670, 1969673, 3939346, 9848365, 19696730]

約数ペア:

[(1, 19696730), (2, 9848365), (5, 3939346), (10, 1969673), (19, 1036670), (38, 518335), (83, 237310), (95, 207334), (166, 118655), (190, 103667), (415, 47462), (830, 23731), (1249, 15770), (1577, 12490), (2498, 7885), (3154, 6245)]